MCQ
Unit of magnetic moment is
  • Ampere-metre ${ }^2$
  • B
    Ampere-metre
  • C
    Weber-metre ${ }^2$
  • D
    Weber/metre

Answer

Correct option: A.
Ampere-metre ${ }^2$
(a) $M=$ Pole strength $\times$ length $=$ amp-metre $\times$ metre $=$ amp-metr $e^2$

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